C+2H2=>CH4
CH4+Cl2=>CH3Cl+HCl
2CH3Cl+2Na=>C2H6+2NaCl
C2H6+Cl2=>C2H5Cl+HCl
C2H5Cl+NaOH=>C2H5OH+NaCl
C2H5OH+3O2=>2CO2+4H2O
C+2H2=>CH4
CH4+Cl2=>CH3Cl+HCl
2CH3Cl+2Na=>C2H6+2NaCl
C2H6+Cl2=>C2H5Cl+HCl
C2H5Cl+NaOH=>C2H5OH+NaCl
C2H5OH+3O2=>2CO2+4H2O